[OpenACC] Implement 'cache' construct AST/Sema

This statement level construct takes no clauses and has no associated
statement, and simply labels a number of array elements as valid for
caching. The implementation here is pretty simple, but it is a touch of
a special case for parsing, so the parsing code reflects that.

1 files changed, 4 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index 7c0d6c3..018fc66 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -4192,6 +4192,10 @@ public:
     // some sort of IR.
     EmitStmt(S.getAssociatedStmt());
   }
+  void EmitOpenACCCacheConstruct(const OpenACCCacheConstruct &S) {
+    // TODO OpenACC: Implement this.  It is currently implemented as a 'no-op',
+    // but in the future we will implement some sort of IR.
+  }
 
   //===--------------------------------------------------------------------===//
   //                         LValue Expression Emission